通过

Get-Uptime

模块:
Microsoft.PowerShell.Utility Module

Get the TimeSpan since last boot.

语法

Timespan （默认值） 

Get-Uptime
    [<CommonParameters>]

Since 

Get-Uptime
    [-Since]
    [<CommonParameters>]

说明

This cmdlet returns the time elapsed since the last boot of the operating system.

The Get-Uptime cmdlet was introduced in PowerShell 6.0.

示例

Example 1 - Show time since last boot

Get-Uptime

Days              : 9
Hours             : 0
Minutes           : 9
Seconds           : 45
Milliseconds      : 0
Ticks             : 7781850000000
TotalDays         : 9.00677083333333
TotalHours        : 216.1625
TotalMinutes      : 12969.75
TotalSeconds      : 778185
TotalMilliseconds : 778185000

Example 2 - Show the time of the last boot

Get-Uptime -Since

Tuesday, June 18, 2019 2:34:56 PM

参数

-Since

Cause the cmdlet to return a DateTime object representing the last time that the operating system was booted.

参数属性

类型:SwitchParameter
默认值:None
支持通配符:False
不显示:False

参数集

Since
Position:Named
必需:False
来自管道的值:False
来自管道的值（按属性名称）:False
来自剩余参数的值:False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable, -ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

输入

None

You can't pipe objects to this cmdlet.

输出

TimeSpan

By default, this cmdlet returns a TimeSpan object representing the elapsed time.

DateTime

When you use the Since parameter, this cmdlet returns a DateTime object representing the last boot time.

Note

If Windows fast startup is enabled, Windows does not update the value stored in LastBootUpTime. To disable fast startup, run the following command: Powercfg -h off.

For more information about Windows fast startup, see Distinguishing Fast Startup from Wake-from-Hibernation.

备注

On Windows, the value returned is the same as the LastBootUpTime property of the Win32_OperatingSystem class in WMI.